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Focusrite ISA Two Dual Channel Microphone Preamplifier

Record two channels with a stunning 80 dB of clean Focusrite gain with the ISA Two microphone preamp, featuring high-end Lundahl LL1538 transformers. (1) Read 1 review for this product | Rate and review this product
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Product Description

Great mic preamps are an essential component in any professional studio. The Focusrite ISA Two Dual Channel Microphone Preamp fits that bill with ease, providing two independent channels of the highest quality classic Focusrite mic pres, with line in and front-panel instrument inputs -- no DI box required. Based on the legendary designs found in the Focusrite Forte and Studio Consoles, ISA Two mic preamp is the ideal front-end for your rack.

Lundahl Transformers

At the heart of the Focusrite ISA Two is a pair of Lundahl LL1538 transformers. ISA products have relied on Lundahl from the beginning, since their components were originally specified in 1985. The LL1538 features a 3-section winding, resulting in very low leakage inductance and, as a result, an extended frequency response. They're encapsulated in mu-metal cans to shield them from stray magnetism.

Variable input impedance and up to 80 dB of gain

The ISA Two features two classic Focusrite mic preamps, with four impedance settings including the original ISA 110 setting. Variable input impedance allows you to go for an accurate, transparent sound or choose to highlight the character of your favorite vintage mic -- and anywhere in between. With up to 80 dB of low-noise gain, ISA Two can perform in the most demanding situations -- really bringing your ribbon, condenser or moving coil mics to life.

Insert your choice of processors

Each channel of the Focusrite ISA Two preamp has a fully-balanced insert point accessed via TRS sockets on the rear panel and activated with a front-panel button, so it's easy to use outboard processors with the ISA Two. Just plug in your choice of EQ, compressor or limiter.

User-calibrated metering

Each channel has an eight-LED array to clearly display the level of your two signals. You can line up your analogue evels with your converters or DAW by using the calibration knob on the rear panel. You will be safe in the knowledge that you have avoided clipping on the way in.

Front-panel instrument and rear panel line inputs

Two 1/4 inch jack sockets on the front panel of the Focusrite ISA Two mic preamp give you instant access to a transparent DI input. TRS line inputs are available on the rear panel too, and you can step through them instantly to select the one you want.

Variable cut-off high-pass filter

Built in, and easily accessed with its own large knob and illuminated button, is an extremely smooth-sounding 18 dB/octave high-pass filter of the same design as the original ISA 110 module. This is ideal for cutting out rumble, thumps and other unwanted low-frequency sounds and with a range of 16 to 420 Hz, it's easy to lose what you don't want, and keep what you do.

Features:

- Two independent channels of the highest quality classic Focusrite mic pres
- Line in and front-panel instrument inputs, no DI box required
- Based on the legendary designs found in the Focusrite Forte and Studio Consoles
- Pair of Lundahl LL1538 transformers for an extended freq response
- Four impedance settings including the original ISA 110 setting
- Up to 80 dB of low-noise gain
- Fully-balanced insert point accessed via TRS sockets on the rear panel
- Extremely flat frequency response across a very wide bandwidth
- Each channel has an eight-LED array to clearly display the level of your two signals
- Extremely smooth-sounding 18 dB/octave high-pass filter

zZounds is an authorized dealer of Focusrite products.
- Front panel, per channel:
- 1/4 inch instrument input
- Variable input impedance - Low, ISA 110, Medium, High
- Input selection - Mic, Line, Instrument
- 0 - 30 dB/30 - 60 dB gain switch
- Phantom power switch
- Phase invert switch
- 0 - 60 dB gain in 10 dB steps
- 0 - +20 dB continuously variable trim
- Variable high-pass filter with on/off switch
- Insert point on/off switch
- Eight-LED user-calibrated level meters
- Single power switch
- Rear panel, per channel:
- XLR-F mic inputs
- 1/4 inch TRS line inputs
- 1/4 inch TRS Sends
- 1/4 inch TRS Returns
- XLR-M line output
- Single peak meter calibration dial
- Single IEC power socket
- Dimensions (WxDxH): 480 x 280 x 44 mm
- Weight: 3.7 kg
Dimensions and Weight in Packaging
Base Item
Shipping Weight: 12 lbs
Shipping Dimensions: 26 x 15 x 6 in
If you have additional warranty questions, please contact the manufacturer at 310-322-5500
Customer Reviews
4.5 out of 5 (1 ratings) Rate and Review This Product
zZounds has verified that this customer bought this product from us. "Steller Mic Pre!"
Overall: I needed a pair of "steller" Mic. preamps that were "matched" for stereo miking in the studio. I bought a Focusrite Liquid Channel preamp a few years back and have never been happier with the quality of sound. I had the choice of spending >2k for another Liquid Channel or try the new ISA 2 for less than 1/2 the price: I'm SO glad that I made the choice that I did! The ISA 2 has a huge ammount of gain (80dB) with basically no noise. I have used the ISA 2 mainly with a matched set of Neumann KM184s and as a keyboard and Bass guitar directbox / preamp in the studio to date. The detail in the sound and lack of any audible noise on the recorded tracks sold me! In the past I had issues with getting enough gain on soft instruments(finger picked acoustic guitars indian flutes ect..) without raising the noise floor.....no more!! Now if I can figure out how to get folks not to breathe while recording ;-) You can hear EVERYTHING! The only thing that would have made the ISA 2 better is an A\D converter option. Most of us live in the age of DAWs. If that is you, rememeber that you need a great A\D converter paired up with this preamp to truly be blown away. P.S. I have never had any trouble with any of my Focusrite gear to date, so I can't really comment on the Mfg. Support question.
Style of Music: All
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